Home / 1,723,066.70-2,378,054.98-988,307.60

Finding the Fourth Proportional to 1,723,066.70, 2,378,054.98 and 988,307.60

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Solution

The fourth proportional to 1,723,066.70, 2,378,054.98 and 988,307.60 is: 1,363,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,066.70 : 2,378,054.98 = 988,307.60 : x
  2. Step 2: Convert to fraction form
    1,723,066.70/2,378,054.98 = 988,307.60/x
  3. Step 3: Cross multiply
    1,723,066.70x = 2,378,054.98 × 988,307.60
  4. Step 4: Simplify right side
    1,723,066.70x = 2,350,249,809,951.85
  5. Step 5: Solve for x
    x = 2,350,249,809,951.85/1,723,066.70
  6. Step 6: Final answer
    x = 1,363,992.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.